11111300450 has 12 divisors (see below), whose sum is σ = 20667018930. Its totient is φ = 4444520160.

The previous prime is 11111300449. The next prime is 11111300507. The reversal of 11111300450 is 5400311111.

11111300450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4314781969 + 6796518481 = 65687^2 + 82441^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111112955 + ... + 111113054.

Almost surely, 2^11111300450 is an apocalyptic number.

11111300450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111300450 is a deficient number, since it is larger than the sum of its proper divisors (9555718480).

11111300450 is a wasteful number, since it uses less digits than its factorization.

11111300450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222226021 (or 222226016 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11111300450 its reverse (5400311111), we get a palindrome (16511611561).

The spelling of 11111300450 in words is "eleven billion, one hundred eleven million, three hundred thousand, four hundred fifty".